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Figure 8.8 Video Trigger Setting Menu
After a trigger type is selected, the current trigger setting information (including
trigger type, trigger source, and trigger level) is displayed in the trigger information
label at the top of the screen, as shown in the figure below. The information will
change based on the trigger settings.
Source Selection
Click or tap Source drop-down button to select CH1-CH4. For details, refer to
Trigger
Source
. The selected trigger source is indicated in the trigger information label at the
top of the screen.
Only when you select the channel that has signal inputs as the trigger source, can you
obtain a stable trigger.
Video Polarity
In the Polarity item, select the desired polarity: positive polarity ( ) or negative
polarity ( ).
Video Standard
Click or tap the drop-down button of Standard to select the desired video standard.
Triggering the Oscilloscope
DHO4000 User Guide
82
Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
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